xfs: switch to proper __bitwise type for KM_... flags

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 6b965bf..f30d980 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -3152,7 +3152,7 @@
 	int		cnt,
 	char		client,
 	bool		permanent,
-	int		alloc_flags)
+	xfs_km_flags_t	alloc_flags)
 {
 	struct xlog_ticket *tic;
 	uint		num_headers;